Overview

• Tests confirmed a right ankle sprain, and Jim Harbaugh labeled Joe Alt doubtful for Sunday while stressing a day-by-day recovery.
• Harbaugh declined to say whether Alt will be placed on injured reserve, leaving the length of his absence uncertain.
• Alt was carted off in the Week 4 loss to the Giants after Kayvon Thibodeaux collided with his right leg early in the first quarter.
• In Alt’s absence against New York, Justin Herbert was hit 13 times and replacement Austin Deculus allowed six pressures on 37 pass-block snaps, per TruMedia and Next Gen Stats.
• The Chargers signed Foster Sarell to the active roster and Bobby Hart to the practice squad for depth, and Deculus took first-team reps Thursday as Jamaree Salyer is considered and Mekhi Becton remains in concussion protocol.